Envelope



FIG. 1 is a front view of an envelope in an unfolded state;

FIG. 2 is a back view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view of an envelope in a partially folded state;

FIG. 8 is a back view thereof;

FIG. 9 is a left-side view thereof;

FIG. 10 is a right-side view thereof;

FIG. 11 is a top view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is a front view of an envelope in a completely folded state;

FIG. 14 is a back view thereof;

FIG. 15 is a left-side view thereof;

FIG. 16 is a right-side view thereof;

FIG. 17 is a top view thereof; and,

FIG. 18 is a bottom view thereof.

The dashed broken lines depict portions of the envelope (e.g., fold locations) which form no part of the claimed design. 

CLAIM The ornamental design for an envelope, as shown and described. 